Wireless headset



FIG. 1 is a front perspective view of a wireless headset;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view of FIG. 1 thereof;

FIG. 5 is a side view of FIG. 1 thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures depict portions of the wireless headset that form no part of the claimed design. 

CLAIM The ornamental design for a “wireless headset,” as shown and described. 